ROBERTSON 3P20064 PSL232T8MV3D/A Fluorescent Step Dimming eBallast for 2 F32T8 Linear Lamps, Program Start, 120-277Vac, 50-60Hz, Normal Ballast Factor, HPF Equivalent to: Philips-Advance REZ-232-SC, Universal B232SR120S, B232SR277S Program Start, Step Dimming (EasyDim), 2 Lamp, T8 (F32T8), HPF, 120-277Vac. Save and order the 2P20064 Quik-Pak of 10 units individually packaged Save the most with the 5P20064 carton of 10 units, not individually packaged Go to RobertsonDirect.com for complete technical data.